Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/minfo/BedDifferenceExporter.java @ 6242:34f393434913

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Implement pdf export for bedheight differences
author Andre Heinecke <aheinecke@intevation.de>
date Mon, 10 Jun 2013 13:06:03 +0200
parents e213b538f78c
children 5733d7f27196
rev   line source
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1 package org.dive4elements.river.exports.minfo;
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2
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3 import gnu.trove.TDoubleArrayList;
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4
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5 import java.io.IOException;
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6 import java.io.OutputStream;
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7 import java.text.NumberFormat;
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8 import java.util.LinkedList;
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9 import java.util.List;
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10 import java.util.Map;
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11 import java.util.HashMap;
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12 import java.util.Locale;
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13 import java.util.Date;
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14 import java.text.DateFormat;
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15
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16 import org.apache.log4j.Logger;
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17 import org.apache.commons.lang.StringUtils;
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18
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19 import net.sf.jasperreports.engine.JasperExportManager;
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20 import net.sf.jasperreports.engine.JasperFillManager;
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21 import net.sf.jasperreports.engine.JasperPrint;
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22 import net.sf.jasperreports.engine.JRException;
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23
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24 import org.dive4elements.artifacts.CallContext;
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25 import org.dive4elements.artifacts.CallMeta;
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26 import org.dive4elements.river.artifacts.D4EArtifact;
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27 import org.dive4elements.river.artifacts.access.BedDifferencesAccess;
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28 import org.dive4elements.artifacts.common.utils.Config;
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29 import org.dive4elements.river.artifacts.resources.Resources;
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30 import org.dive4elements.river.artifacts.model.CalculationResult;
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31 import org.dive4elements.river.artifacts.model.minfo.BedDifferencesResult;
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32 import org.dive4elements.river.artifacts.model.minfo.BedDifferenceJRDataSource;
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33 import org.dive4elements.river.exports.AbstractExporter;
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34 import org.dive4elements.river.utils.Formatter;
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35 import org.dive4elements.river.utils.RiverUtils;
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36
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37 import org.w3c.dom.Document;
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38
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39 import au.com.bytecode.opencsv.CSVWriter;
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40
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41
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42 public class BedDifferenceExporter
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43 extends AbstractExporter
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44 {
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45
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46 /** Private logger. */
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47 private static Logger logger =
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48 Logger.getLogger(BedDifferenceExporter.class);
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49
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50 private static final String CSV_HEADER_KM =
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51 "export.minfo.beddifference.km";
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52
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53 private static final String CSV_HEADER_DIFF =
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54 "export.minfo.beddifference.diff";
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55
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56 public static final String JASPER_FILE =
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57 "export.minfo.beddifference.pdf.file";
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58
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59 public static final String PDF_TITLE=
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60 "export.minfo.beddifference.pdf.title";
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61
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62 public static final String PDF_HEADER_MODE=
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63 "export.minfo.beddifference.pdf.mode";
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64
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65 private BedDifferencesResult[] results;
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66
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67 @Override
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68 public void init(Document request, OutputStream out, CallContext context) {
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69 logger.debug("init");
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70 super.init(request, out, context);
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71 results = new BedDifferencesResult[0];
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72 }
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73
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74 @Override
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75 protected void writeCSVData(CSVWriter writer) throws IOException {
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76 writeCSVHeader(writer);
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77
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78 NumberFormat kmf = Formatter.getCalculationKm(context.getMeta());
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79 NumberFormat mf = Formatter.getMeterFormat(context);
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80 for (int i = 0; i < results.length; i++) {
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81 BedDifferencesResult result = results[i];
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82 double[][] kms = result.getDifferencesData();
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83 for (int j = 0; j < kms[0].length; j++) {
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84 writer.writeNext(new String[] {
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85 kmf.format(kms[0][j]), mf.format(kms[1][j])});
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86 }
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87 }
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88 }
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89
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90 @Override
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91 protected void addData(Object data) {
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92 if (!(data instanceof CalculationResult)) {
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93 logger.warn("Invalid data type.");
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94 return;
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95 }
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96 Object[] d = (Object[])((CalculationResult)data).getData();
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97
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98 if (!(d instanceof BedDifferencesResult[])) {
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99 logger.warn("Invalid result object.");
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100 return;
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101 }
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102 results = (BedDifferencesResult[])d;
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103 }
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104
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105 protected void addMetaData(BedDifferenceJRDataSource source) {
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106 CallMeta meta = context.getMeta();
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107
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108 D4EArtifact arti = (D4EArtifact) master;
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109
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110 source.addMetaData ("river", RiverUtils.getRivername(arti));
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111
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112 Locale locale = Resources.getLocale(meta);
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113 DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
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114
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115 source.addMetaData("date", df.format(new Date()));
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116
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117 source.addMetaData("calculation", Resources.getMsg(
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118 locale,
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119 PDF_HEADER_MODE,
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120 "Bedheight difference"));
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121
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122 // Now the dynamic parts
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123
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124 BedDifferencesAccess access = new BedDifferencesAccess(arti);
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125 source.addMetaData("ye_mode", Resources.getMsg(locale,
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126 "state.minfo." + access.getYearEpoch(),
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127 access.getYearEpoch()));
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128
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129 source.addMetaData("differences", StringUtils.join(
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130 access.getDifferenceArtifactNamePairs(), "\n"));
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131 }
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132
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133
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134 protected void writeCSVHeader(CSVWriter writer) {
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135 logger.debug("writeCSVHeader()");
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136
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137 List<String> header = new LinkedList<String>();
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138 if (results != null) {
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139 header.add(msg(CSV_HEADER_KM, "km"));
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140 header.add(msg(CSV_HEADER_DIFF, "m"));
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141 }
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142 writer.writeNext(header.toArray(new String[header.size()]));
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143 }
6242
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144
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145 protected BedDifferenceJRDataSource createJRData() {
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146 BedDifferenceJRDataSource source = new BedDifferenceJRDataSource();
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147
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148 addMetaData(source);
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149 NumberFormat kmf = Formatter.getCalculationKm(context.getMeta());
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150 NumberFormat mf = Formatter.getMeterFormat(context);
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151 for (BedDifferencesResult result: results) {
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152 double[][] kms = result.getDifferencesData();
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153 for (int j = 0; j < kms[0].length; j++) {
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154 source.addData(new String[] {
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155 kmf.format(kms[0][j]), mf.format(kms[1][j])});
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156 }
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157 }
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158 return source;
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159 }
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160
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161 @Override
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162 protected void writePDF(OutputStream out) {
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163 logger.debug("write PDF");
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164 BedDifferenceJRDataSource source = createJRData();
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165
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166 String jasperFile = Resources.getMsg(
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167 context.getMeta(),
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168 JASPER_FILE,
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169 "/jasper/beddifference_en.jasper");
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170 String confPath = Config.getConfigDirectory().toString();
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171
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172
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173 Map parameters = new HashMap();
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174 parameters.put("ReportTitle", Resources.getMsg(
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175 context.getMeta(), PDF_TITLE, "Exported Data"));
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176 try {
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177 JasperPrint print = JasperFillManager.fillReport(
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178 confPath + jasperFile,
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179 parameters,
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180 source);
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181 JasperExportManager.exportReportToPdfStream(print, out);
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182 }
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183 catch(JRException je) {
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184 logger.warn("Error generating PDF Report!", je);
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185 }
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186 }
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187
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188 }
http://dive4elements.wald.intevation.org